/Engine/Plugins/Experimental/FullBodyIK/Source/FullBodyIK/Public/FBIKConstraint.h
struct FPoleVectorConstraint
int32
BoneIndex
bool
bUseLocalDir
If you use local dir, it will be local dir and will be calculated based on local frame every time if not, it will interpret PoleVector as a target location in the space (global space)
int32
ChildBoneIndex
int32
ParentBoneIndex
FVector
PoleVector